/Engine/Source/Runtime/Engine/Public/AnimationRuntime.h
Mirror a pose with the specified MirrorDataTable. This method computes the required compact mirror pose and component space reference rotations each call and should not be used for repeated calculations
static void MirrorPose ( [FCompactPose](API\Runtime\Engine\FCompactPose) & Pose, const [UMirrorDataTable](API\Runtime\Engine\Animation\UMirrorDataTable) & MirrorDataTable )